Home / 82,860.54-114,351.03-45,136.86

Finding the Fourth Proportional to 82,860.54, 114,351.03 and 45,136.86

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Solution

The fourth proportional to 82,860.54, 114,351.03 and 45,136.86 is: 62,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.54 : 114,351.03 = 45,136.86 : x
  2. Step 2: Convert to fraction form
    82,860.54/114,351.03 = 45,136.86/x
  3. Step 3: Cross multiply
    82,860.54x = 114,351.03 × 45,136.86
  4. Step 4: Simplify right side
    82,860.54x = 5,161,446,431.97
  5. Step 5: Solve for x
    x = 5,161,446,431.97/82,860.54
  6. Step 6: Final answer
    x = 62,290.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.